<template>
	<view class="pics">
		<scroll-view class="left" scroll-y>
			<view @click="leftClickHandle(index, item.id)" :class="actice===index ? 'active' : ''" v-for="(item,index) in cates" :key="item.id">{{item.title}}</view>
		</scroll-view>
		
		<scroll-view class="right" scroll-y>
			<view class="item" v-for="item in secondData" :key="item.id">
				<image @click="previewImg(item.img_url)" :src="item.img_url"></image>
				<text>{{item.title}}</text>
			</view>
			<view v-if="secondData.length === 0">暂无数据</view>
		</scroll-view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				cates:[],
				actice:0,
				secondData:[]
			}
		},
		methods: {
			async getPicsCate() {
				const res = await this.$myRequest({
					url: 'getimgcategory'
				})
				this.cates = res.data.message
				this.leftClickHandle(0, this.cates[0].id)
			},
			async leftClickHandle(index, id) {
				this.actice = index
				const res = await this.$myRequest({
					url: 'getimages/'+id
				})
				this.secondData = res.data.message
			},
			previewImg(current){
				const urls = this.secondData.map(item => {
					return item.img_url
				})
				uni.previewImage({
					current:current,
					urls:urls
				})
			}
		},
		onLoad() {
			this.getPicsCate()
		}
	}
</script>

<style lang="scss">
page{
	height: 100%;
}
.pics{
	height: 100%;
	display: flex;
	.left{
		width: 200rpx;
		height: 100%;
		border-right: 1px solid #eee;
		view{
			height: 60px;
			line-height: 60px;
			color: #333;
			text-align: center;
			font-size: 30rpx;
			border-top: 1px solid #eee;
		}
		.active{
			background: $shop-color;
			color: #fff;
		}
	}
	.right{
		height: 100%;
		width: 520rpx;
		margin: 10rpx auto;
		.item{
			image{
				width: 520rpx;
				height: 520rpx;
				border-radius: 5px;
			}
			text{
				font-size: 30rpx;
				line-height: 60rpx;
			}
		}
	}
}
</style>
